Lead and galena. Lead (Pb) metal chunks (left) and galena specimen (right) in watch glasses. Galena is a mineral composed of lead sulphide (PbS) and is the main ore of lead. These specimen are from Sweetwater Mine, Missouri, USA. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Turtle Rock Scientific |
Taille de l’image : | 5116 px × 3417 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |